Compaq TL891 MiniLibrary User manual

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Writer: Everett Godaire Project: TL891 MiniLibrary System User's Guide Comments:

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TL891 MiniLibrary System User's

Guide

First Edition (March 1999)

Part Number ER-TL891-UA. A01

Compaq Computer Corporation

Compaq Confidential – Need to Know Required

Writer: Everett Godaire Project: TL891 MiniLibrary System User's Guide Comments:

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Notice

The information in this publication is subject to change without notice.

COMPAQ COMPUTER CORPORATION SHALL NOT BE LIABLE FOR TECHNICAL OR

EDITORIAL ERRORS OR OMISSIONS CONTAINED HEREIN, NOR FOR INCIDENTAL OR

CONSEQUENTIAL DAMAGES RESULTING FROM THE FURNISHING, PERFORMANCE, OR

USE OF THIS MATERIAL. THIS INFORMATION IS PROVIDED “AS IS” AND COMPAQ

COMPUTER CORPORATION DISCLAIMS ANY WARRANTIES, EXPRESS, IMPLIED OR

STATUTORY AND EXPRESSLY DISCLAIMS THE IMPLIED WARRANTIES OF

MERCHANTABILITY, FITNESS FOR PARTICULAR PURPOSE, GOOD TITLE AND AGAINST

INFRINGEMENT.

This publication contains information protected by copyright. No part of this publication may be

photocopied or reproduced in any form without prior written consent from Compaq Computer

Corporation.

The software described in this guide is furnished under a license agreement or nondisclosure agreement.

The software may be used or copied only in accordance with the terms of the agreement.

Compaq, Deskpro, Fastart, Compaq Insight Manager, Systempro, Systempro/LT, ProLiant, ROMPaq,

QVision, SmartStart, NetFlex, QuickFind, PaqFax, ProSignia, registered United States Patent and

Trademark Office.

Neoserver, Netelligent, Systempro/XL, SoftPaq, QuickBlank, QuickLock are trademarks and/or service

marks of Compaq Computer Corporation.

Microsoft, MS-DOS, Windows, and Windows NT are registered trademarks of Microsoft Corporation.

Pentium is a registered trademark and Xeon is a trademark of Intel Corporation.

Other product names mentioned herein may be trademarks and/or registered trademarks of their

respective companies.

TL891 MiniLibrary System User's Guide

First Edition (March 1999)

Part Number ER-TL891-UA. A01

Compaq Confidential – Need to Know Required

Writer: Everett Godaire Project: TL891 MiniLibrary System User's Guide Comments:

Part Number: ER-TL891-UA. A01 File Name: a-frnt Last Saved On: 3/3/99 12:17 PM

Contents

About This Guide

Text Conventions .................................................................................................vii

Symbols in Text ..................................................................................................viii

Symbols on Equipment........................................................................................viii

Rack Stability........................................................................................................ix

Getting Help..........................................................................................................ix

Compaq Technical Support.............................................................................ix

Compaq Website .............................................................................................x

Compaq Authorized Reseller ...........................................................................x

Chapter 1

Introduction

Modules .......................................................................................................1-1

The Expansion Unit......................................................................................1-3

The Base Module..........................................................................................1-3

SCSI Interface Configurations.......................................................................1-4

SCSI Bus Performance Considerations..........................................................1-4

Physical Configuration..................................................................................1-5

System Expansion.........................................................................................1-5

Features........................................................................................................1-6

Advanced Design Features..........................................................................1-12

Chapter 2

Operation

Expansion Unit.............................................................................................2-1

Starting the System.......................................................................................2-8

The MiniLibrary Menu Structure ................................................................2-12

Inserting and Removing Cartridges ............................................................. 2-24

Inserting a Magazine...................................................................................2-28

Base Module...............................................................................................2-29

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Chapter 3

Installation

Introduction..................................................................................................3-1

Planning Your Installation ............................................................................3-3

Mechanical Installation.................................................................................3-4

Chapter 4

Configuration

How to Customize Configuration..................................................................4-1

Descriptions of Configuration Options..........................................................4-3

Chapter 5

Regular Maintenance

Cleaning Cartridge........................................................................................5-2

Chapter 6

Diagnostics and Troubleshooting

Diagnosing Problems....................................................................................6-1

Error Recovery.............................................................................................6-2

Fault Symptom Codes (FSC) ........................................................................6-5

Using CE Diagnostics.................................................................................6-25

Using the Demo Submenu ..........................................................................6-26

Appendix A

Specifications

Safety.......................................................................................................... A-5

Electromagnetic Emission............................................................................ A-6

Statement for Equipment Meeting FCC Class A Requirements..................... A-8

Equipment Meeting VDE Class B Requirements..........................................A-9

(VFG 1046/84 and VFG 243/91 for Germany)............................................. A-9

VCCI Notice for Japan Class I Equipment.................................................. A-10

Appendix B

Accessories

Data and Cleaning Cartridge Ordering Information ...................................... B-1

Bar Code Label and Magazine Ordering Information.................................... B-2

Appendix C

Product Notes for Windows NT and Novell NetWare

Host SCSI Interface..................................................................................... C-1

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Appendix D

Product Notes for Sun

General Information..................................................................................... D-1

Modifications Required for Solaris 2.4 (or later)........................................... D-3

Appendix E

Product Notes for IBM RS/6000

Modifications Required to Operate the TZ89 DLT Cartridge SBB Tape

Drive or Tabletop Drive with AIX 4.1.4 (or later)..........................................E-1

Appendix F

Adding a Second Tape Drive

Parts Location .....................................................................................................F-1

Overall Procedure................................................................................................F-2

Removing and Replacing the Skin Cover (Desktop Models Only)..................F-2

Removing and Replacing the Cover Plate......................................................F-4

Removing and Replacing the Drive Caddy Assembly....................................F-5

Installing the Second Tape Drive...................................................................F-7

Appendix G

Information on Pass-Through Section Covers

Pass-Through Section Covers .............................................................................G-1

Appendix H

Tape Drives and Cartridges

Care and Handling of Cartridges.................................................................. H-1

Checking a Cartridge for Damage................................................................H-3

Archival Guidelines............................................................................................H-6

Transportation Guidelines............................................................................ H-6

Cleaning Guidelines.....................................................................................H-7

Cleaning the Tape Drive Heads....................................................................H-9

Preparing Cartridges for Use...................................................................... H-10

Index

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About This Guide

This guide is designed to be used as step-by-step instructions for installation

and as a reference for operation, troubleshooting, and future upgrades.

Text Conventions

This document uses the following conventions to distinguish elements of text:

Keys Keys appear in boldface. A plus sign (+) between

two keys indicates that they should be pressed

simultaneously.

USER INPUT

User input appears in a different typeface and in

uppercase.

FILENAMES File names appear in uppercase italics.

Menu Options,

Command Names,

Dialog Box Names

These elements appear in initial capital letters.

COMMANDS,

DIRECTORY NAMES,

and DRIVE NAMES

These elements appear in uppercase.

Type When you are instructed to type information, type

the information without pressing the Enter key.

Enter

When you are instructed to enter information, type

the information and then press the Enter key.

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Symbols in Text

These symbols may be found in the text of this guide. They have the following

meanings.

WARNING:

Text set off in this manner indicates that failure to follow directions

in the warning could result in bodily harm or loss of life.

CAUTION:

Text set off in this manner indicates that failure to follow directions

could result in damage to equipment or loss of information.

IMPORTANT:

Text set off in this manner presents clarifying information or specific

instructions.

NOTE:

Text set off in this manner presents commentary, sidelights, or interesting points

of information.

Symbols on Equipment

These icons may be located on equipment in areas where hazardous conditions

may exist.

Any surface or area of the equipment marked with these symbols

indicates the presence of electrical shock hazards. Enclosed area

contains no operator serviceable parts.

WARNING:

To reduce the risk of injury from electrical shock hazards,

do not open this enclosure.

Any RJ-45 receptacle marked with these symbols indicates a Network

Interface Connection.

WARNING:

To reduce the risk of electrical shock, fire, or damage to

the equipment, do not plug telephone or telecommunications

connectors into this receptacle.

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Any surface or area of the equipment marked with these symbols

indicates the presence of a hot surface or hot component. If this

surface is contacted, the potential for injury exists.

WARNING: To reduce the risk of injury from a hot component, allow

the surface to cool before touching.

Power Supplies or Systems marked with these symbols

indicate the equipment is supplied by multiple sources of

power.

WARNING: To reduce the risk of injury from electrical shock,

remove all power cords to completely disconnect power from

the system.

Rack Stability

WARNING: To reduce the risk of personal injury or damage to the equipment,

be sure that:

■

The leveling jacks are extended to the floor.

■

The full weight of the rack rests on the leveling jacks.

■

The stabilizing feet are attached to the rack if it is a single rack

installations.

■

The racks are coupled together in multiple rack installations.

■

A rack may become unstable if more than one component is extended for

any reason. Extend only one component at a time.

Getting Help

If you have a problem and have exhausted the information in this guide, you

can get further information and other help in the following locations.

Compaq Technical Support

You are entitled to free hardware technical telephone support for your product

for as long you own the product. A technical support specialist will help you

diagnose the problem or guide you to the next step in the warranty process.

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In North America, call the Compaq Technical Phone Support Center at

1-800-OK-COMPAQ

1

. This service is available 24 hours a day, 7 days a week.

Outside North America, call the nearest Compaq Technical Support Phone

Center. Telephone numbers for world wide Technical Support Centers are

listed on the Compaq website. Access the Compaq website by logging on to

the Internet at http://www.compaq.com.

Be sure to have the following information available before you call Compaq:

■

Technical support registration number (if applicable)

■

Product serial number (s)

■

Product model name(s) and numbers(s)

■

Applicable error messages

■

Add-on boards or hardware

■

Third-party hardware or software

■

Operating system type and revision level

■

Detailed, specific questions

Compaq Website

The Compaq website has information on this product as well as the latest

drivers and Flash ROM images. You can access the Compaq website by

logging on to the Internet at http://www.compaq.com.

Compaq Authorized Reseller

For the name of your nearest Compaq Authorized Reseller:

■

In the United States, call 1-800-345-1518.

■

In Canada, call 1-800-263-5868.

■

Elsewhere, see the Compaq website for locations and telephone

numbers.

1

For continuous quality improvement, calls may be recorded or monitored.

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Chapter

1

Introduction

This chapter describes the features of the expansion and base modules of the

MiniLibrary System, including Storage Architecture, SCSI Interface, Bus

Performance, and Physical Configuration/Expansion Options.

The MiniLibrary System is an expandable, modular tape library system

combining DLT technology drive with advanced robotics. The MiniLibrary

System is designed for high duty-cycle on-line and near-on-line applications,

such as hierarchical storage management (HSM). It is a superior performer in

high-volume backup and archival service as well.

Modules

Two types of modules comprise the MiniLibrary System:

■

Expansion Unit (Master)

■

MiniLibrary (Base Module)

The MiniLibrary System consists of one Expansion Unit and up to five

MiniLibrary base modules stacked in a rack. The Expansion Unit can move

media freely between itself and Base Modules via the system’s robotically-

controlled pass-through mechanism.

In a MiniLibrary System, you can combine modules to provide the right

combination of capacity and performance to meet your present storage

requirements. Compaq’s MiniLibrary storage architecture lets you add

modules to optimize throughput and capacity as your needs change.

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MiniLibrary Storage Architecture

When connected as a system, the robotics in the MiniLibrary Expansion Unit

act as commanded by the host computer(s). The host(s) need no knowledge of

the internal geometry of the system, or of the actions or capabilities of the

Base Modules.

The Expansion Unit presents to the host(s) a single SCSI medium changer

device with a single SCSI Medium Transport element, a number of SCSI

Storage elements equal to the total number of cartridge magazine slots, a

number of SCSI Import/Export elements as specified by the user during

configuration of the Expansion Unit, and a number of SCSI Data Transfer

elements equal to the total number of drives in the system.

Flexibility

Compaq’s MiniLibrary storage architecture is uniquely suited to growing

storage needs. Its flexible library robotics system enables you to start with a

system configured to your present requirements, confident that as your storage

needs evolve, you can easily modify the MiniLibrary by adding modules and

extending the pass-through mechanism. Add drives for faster performance or

magazine space for greater capacity, as needed. Then just turn on the power,

and immediately the system updates the system map so the host is informed of

the expanded capability.

Multi-Server Data Sharing

A host computer with a SCSI controller connected to a bus is a SCSI Initiator.

The Expansion Unit is a SCSI Target. SCSI rules permit multiple Initiators on

a single bus. Therefore, with the proper host software, it is possible to connect

multiple hosts to a single Expansion Unit over a single SCSI bus. This allows

multiple hosts to operate the library robotics, loading and unloading cartridges

as each host requires.

In a system with many drives, it is desirable to use multiple SCSI buses for the

drives, so the data transfer rate of the drives is not limited by bus bandwidth.

In a large, high-performance system, drives may be connected to separate

hosts. Using special software, one of the hosts can act as a master server,

processing all robotics commands. In this way several hosts may share a

common data base.

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The Expansion Unit

Description

The Expansion Unit integrates the robotics in the individual modules into a

single coordinated library robotics system. The Expansion Unit performs and

maintains an inventory of all media present in the system, including bar code

data. All necessary system control operations may be performed from the

control panel of the Expansion Unit, as well as from the host via software. The

SCSI interface for the library robotics is designed for high-speed

communication with the host, and Fast/Wide SCSI configurations.

In addition to its system control functions, the Expansion Unit has a 16-

cartridge magazine with a rugged random access robotic mechanism. The

module robotics moves cartridges between the pass-through mechanism and

any of the 16 cartridge storage locations.

The user may designate a magazine in one of the base modules as a mail slot

for inserting or removing one or more single cartridges, which implements the

SCSI Import/Export commands.

NOTE:

A magazine that has been reserved for Import/Export service may not be used for

data storage.

The Base Module

Description

The Base Module has one or two TZ89 tape drives and a 10-cartridge

magazine with a rugged random access robotic mechanism.

Models

The TL891 using one or two TZ89 series drives, also use the DLTtape IV

cartridges, which provide a native capacity of 35 GB per cartridge. All models

can also read and write DLTTape III and DLTtape IIIxt cartridges. Both read

and write densities are selectable from the front panel, and under SCSI control

from the host.

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SCSI Interface Configurations

Systems are equipped with TZ89 drives use a Fast/Wide SCSI interface using

high-density 68-pin D-series connectors. The section on SCSI Interfaces in

Chapter 3, Installation, describes the available interface options.

SCSI Bus Performance Considerations

Data Transfer Rate

The data transfer rate of the MiniLibrary is dependent on the type and number

of drives and on the SCSI bus configuration. The bandwidth of the SCSI bus is

limited. As a result, the transfer rate of exceptionally fast drives such as the

TZ89 can be limited by sharing a SCSI bus with another disc drive on tape.

Drives

With a standard SCSI interface, modules equipped with TZ89 drives have a

native data transfer rate of 5.0 MB/second, 10 MB/sec for two drives. The

rates for compressed data are dependent on compression ratio, record size,

data type, and other system parameters, but averages approximately 1:7.

Internal Cabling Configuration

The MiniLibrary System is wired in an independent-bus SCSI configuration.

That is, the robotics and each of the drives has its own SCSI bus. SCSI

jumpers are available for those applications requiring that some combination

of drives and robotics be daisy-chained to a single SCSI bus. These

configurations are described in more detail in the section on SCSI Interfaces in

Chapter 3, Installation.

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Physical Configuration

The Expansion Unit must be mounted at the top of the stack, which places its

control panel at a convenient height. The control panels of the Base Modules

are of secondary importance, as they serve mainly to help localize system

failures. When installed, the motor drive assembly of the pass-through

mechanism is directly behind the Expansion Unit.

Base modules may be installed anywhere below the Expansion Unit, in any

order. There may be a slight performance advantage in making the Base

Modules contiguous, but gaps are permitted. The size of a gap is limited by the

fact that each gap must be bridged by some number of 7” pass-through

mechanism track sections. For safety, available cover plates should be

installed on all pass-through mechanism sections that are not connected to

MiniLibrary modules.

The Expansion Unit senses the position of each module during initialization at

power-up. Even if there are gaps between modules, the system will operate

correctly. If you plan to leave gaps between modules, be sure to order

additional pass-through mechanism track segments and cover plates equal to

the length of the gap.

System Expansion

A MiniLibrary System may be expanded in capacity and performance by

adding or removing TL891 modules. Associated with the Expansion Unit and

each of the Base Module(s) is a section of the pass-through mechanism.

System firmware integrates all of the robotics of these system modules with

that of the pass-through mechanism into a single high-performance library

robotics system.

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Features

Figures 1-1 through 1-5 identify some of the external features of the

Expansion Unit and the MiniLibrary.

SHR-1194

1

2

3

4

6

5

Figure 1-1. Expansion Unit Front View

16-Cartridge Magazine Unlock/Open Button

Magazine Security Lock Locked Indicator

Control Panel Power Switch

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SHR-1195

1

2

3

4

6

5

Use

Cleaner

Drive

Fault

Loader

Fault

Figure 1-2. Base Module Front View

10-Cartridge Magazine Unlock/Open Button

Magazine Security Lock Locked Indicator

Control Panel Power Switch

Control Panel

The control panels for all modules are the same, except for the number of LED

indicators. The control panel features a 4-line by 20-character backlit LCD

display, three or four LED indicators, and four buttons. The buttons enable the

operator to navigate through the menu structure to select and display operating

modes, device status, diagnostic and maintenance functions, device history and

error statistics, and system configuration. The functions of the control panel

are described in detail in Chapter 2, Operation.

Display

The backlit 4-line by 20-character control panel display provides a highly

intelligible presentation of drive and loader status, menu choices and error

messages. The scrolling feature greatly expands the amount of information

available to the operator. In the Expansion Unit, status information is available

for the entire system. The base modules display other information as needed

for localizing malfunctions.

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Magazine Security Lock

The Magazine Security Lock is a key-operated switch on the front panel of

each module. It can be used to prevent inadvertent removal of the cartridge

magazine.

Power Supply

The AC Power switch is located on the front panel of the module. The

autoranging power supply will adjust automatically to either of two operating

voltage ranges. The ranges are 100-120 VAC and 200-240 VAC. The power

supply is capable of operating at 50 or 60 Hz without any adjustment or

modification. AC power is supplied to the power supply by a single IEC-

compatible socket that can be connected to any properly grounded outlet.

Tape Cartridge Magazines

The 10-cartridge and 16-cartridge magazines are removable from the front

panel, but may be protected from tampering by any of three means: 1) a key-

operated Magazine Security Lock which must be unlocked before the

magazine can be removed, 2) an electronic combination lock operated by

using buttons on the Expansion Unit control panel, and 3) issuance by the host

of a SCSI ‘Prevent Medium Removal’ command. The rugged carbon-fiber-

reinforced polymer magazine fits into an extruded track, which assures precise

positioning with respect to the library robotics. A 10-cartridge tape magazine

is shown in Figure 1-3. Insertion and removal of the magazine is described in

Chapter 2, Operation.

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4

2

3

1

SHR-1226

Figure 1-3. Base Module 10-Cartridge Magazine

Slot 0 Barcode Label Slide Slot (not used)

Front Label Slide Slot Slot 9

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1

5

4

3

2

SHR-1227

Figure 1-4. Expansion Unit Rear View

Pass-Through Mechanism

Motor Drive

Library Robotics SCSI Interface

Power Connector Diagnostics Connector

Base Module Robotics

Interface Connectors

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